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[Granulocytic sarcoma (chloroma) in ophthalmology]
Journal Francais D'Ophtalmologie
|January 1, 1982
Summary
Granulocytic sarcoma, a rare tumor, can manifest in the eye before myelogenous leukemia. Histochemical staining aids in early diagnosis of this granulocytic precursor cell tumor.
Area of Science:
- Ophthalmology
- Hematology
- Oncology
Background:
- Granulocytic sarcoma, also known as chloroma, is a tumor of granulocytic precursor cells.
- It can precede or occur during the course of myelogenous leukemia.
Observation:
- This report details three ophthalmic cases: two orbital and one uveal granulocytic sarcoma.
- Two patients were young adults (29 years), and one was a 10-year-old boy.
- In all cases, the tumor appeared before the hematologic diagnosis, with lead times of 18, 10, and 24 months.
Findings:
- Diagnosing granulocytic sarcoma before leukemia is challenging.
- Morphological examination revealing occasional eosinophilic myelocytes can assist diagnosis.
- Histochemical staining for esterase activity (Naphtol A.S.D. Chloracetate stain) significantly improves pre-leukemia histopathologic diagnosis.
Implications:
- Early diagnosis of granulocytic sarcoma is crucial for timely intervention.
- Ophthalmic presentation warrants consideration of underlying hematologic malignancy.
- Advanced histochemical techniques enhance diagnostic accuracy for rare tumors.